Respostas

2014-03-29T19:58:17-03:00
A)314 + 2000= 2314=2,314 x 10³
b)314-2000= -1684= -1,684 x 10³
c)314 x 2000=628000= 6,28000 x 10^5
d)314 / 2000=157 x 10/\-3
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